I have built a web game where users can purchase virtual items for their avatar with tokens obtained during an ICO.
What is the best solution for delivering the items to the correct web game user? I ...

i hope you can help me improve or validate my storage concept. I am glad for each suggestion. Since this is my first DApp, i might not consider all possible options for my problem.
To understand the ...

I am quite confusued on how users should select the account they want to use with dapps. Before version 0.9.0 of mist I could just use web3.eth.accounts[0] and let users select what account they want ...

I am creating a frontend app based on Truffle + Webpack, following this tuto : http://truffleframework.com/tutorials/building-testing-frontend-app-truffle-3, and have no uderstanding of JavaScript at ...

how i can connect android studio application with Ganache? i'm trying to build an application on android (that is my Front end) with a Smart contract (Back end) on my private Blockchain (Ganache). it'...

I need to implement on the deposit function when the ownerAddress is doing a deposit a 10% to be freeze in the smart contract and and if the ownerAddress want's to call the returnDeposit function by ...

I've been developing a dApp that needs ERC721 tokens. I have three contracts, a base contract, the one to mint tokens and another one for auctions. The inheritance looks like Base > Token > Auctions. ...

I am building a private Blockchain cluster DAPP envisaged to have 5 to 10 parties owning their own nodes (or node clusters). At this moment, there is no specific mandate to incentivize miners, though ...

I've written and tested the Smart Contracts in Truffle, and now want to develop a front-end and a small back-end for my Dapp. So far, I preferred MVP frameworks, particularly Django. Therefore, what ...

I've developed a simple DApp that uses uPort and it works fine on Desktop - where I can login through uPort with the QR Code. On a mobile browser (Anrdoid Chrome) I'm auto directed to uPort where it ...

I'm getting my feet wet in this blockchain world and looking to build a dapp based on Ethereum for maintaining an inventory of products. About 400,000 items that can be updated, removed or added to by ...

if a have a dapp with different users, and each user has his/her own profile page they can log in to. On this profile page, the user should be able to change/add his user information (name, age, etc) ...

I just see a blank screen when I open Mist Browser on ubuntu running on testnet. What is the issue ?
I couldnt start in the first place. But after using --ignore-gpu-blacklist I could start, Then I ...

It should be easy, but I'm having a hard time using a simple smart contract described in the Solidity language reference called SimpleStorage. It only as one attribute, a setter and a getter, and I'm ...

I want to design a proof of concept of a fully decentralized secure asset sharing DApp. Seller uploads the asset they want to share with a price and buyer pays it with ether or a token. Frontend and ...

I used one node endpoint to interact with the network. While sending a transaction from web3.js 0.20 to ethereum network, transaction per second (TPS) I achieved is only 28 TPS. I have configured the ...

I'm trying to deploy a very simple contract on Windows 10, using Web3j 4.2.0. I've created an account using Mist. I've set up one local ethereum node (using geth) on my machine and I'm able to deploy ...

I am much familiar with Rails but new in the Ethereum. But base on my understanding, if I am going to build a Dapp.
The web stack should not include the back-end system like Rails.
But why there's so ...

Before I create a decentralized application, I want to know whether it already exists. I thought the first step would be to search the Google Play Store, but it appears dapps are not available on the ...

We have two computers on the same local network with Static IP for internet. When Computer A calls a transaction through a DApp for an address X, Computer B Metamask is also getting triggered with the ...